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Gooey S’mores Cookie Bars

gooey s’mores cookie bars - featured image

These gooey s’mores cookie bars combine a chewy cookie base with melty chocolate and a perfectly toasted marshmallow topping, delivering a campfire classic in an easy-to-make dessert bar.

Ingredients

Scale
  • 2 cups (240g) all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup (227g) unsalted butter, softened
  • ¾ cup (150g) packed brown sugar
  • ¼ cup (50g) granulated sugar
  • 2 large eggs, room temperature
  • 2 teaspoons vanilla extract
  • 1 cup roughly crushed graham crackers
  • 1 ½ cups (270g) milk chocolate chips or chunks
  • 2 cups large marshmallows (about 40 mini marshmallows or 15 large ones, halved)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease or line a 9×13 inch pan with parchment paper.
  2. In a medium bowl, whisk together the flour, baking soda, and salt until evenly combined. Set aside.
  3. In a large bowl, beat the softened butter with brown sugar and granulated sugar until light, fluffy, and smooth, about 3-4 minutes.
  4. Beat in the eggs one at a time, then stir in the vanilla extract until the batter is glossy and rich.
  5. Gradually add the flour mixture to the wet ingredients, folding gently until just combined. Avoid overmixing.
  6. Fold in the crushed graham crackers and milk chocolate chips gently but thoroughly.
  7. Spread the batter evenly in the prepared pan using an offset spatula or the back of a spoon.
  8. Bake for 22-25 minutes until edges are golden brown and the center is set but still soft. A toothpick should come out with a few moist crumbs.
  9. Remove from oven and immediately scatter the marshmallows evenly over the top. Return to the oven and broil on high for 1-3 minutes until marshmallows are golden and puffed. Watch carefully to prevent burning.
  10. Let the bars cool completely in the pan on a wire rack before slicing into squares.

Notes

Cool bars completely before slicing to prevent a sticky mess. Watch marshmallows closely when broiling to avoid burning. For a chewier marshmallow top, use mini marshmallows. Use a metal pan for even browning; if using glass, add a couple extra minutes to baking time. Substitute almond flour and dairy-free ingredients for gluten-free and vegan versions.

Nutrition

Keywords: s’mores, cookie bars, toasted marshmallow, chocolate dessert, easy dessert, campfire treat, gooey bars